20210257966

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{2663}}^1\times {\mathrm{71597}}^1$

素因数の和:74315

約数の個数: 16

約数和(自身を含む): 30899405664

約数和(自身を除く): 10689147698

約数列:

[1, 2, 53, 106, 2663, 5326, 71597, 141139, 143194, 282278, 3794641, 7589282, 190662811, 381325622, 10105128983, 20210257966]

約数ペア:

[(1, 20210257966), (2, 10105128983), (53, 381325622), (106, 190662811), (2663, 7589282), (5326, 3794641), (71597, 282278), (141139, 143194)]